| Name | Micrasterias arcuata var. expansa (Bailey) Nordstedt |
| Authorship | (Bailey) Nordstedt |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Micrasterias arcuata Bailey |
| Remarks | Created from Taxon Name Import: Micrasterias arcuata var. expansa (Bailey) Nordstedt |
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